Hillary Rodham Clinton's campaign manager-in-waiting is traveling to the early voting states of New Hampshire and Iowa this week for meetings with Democratic activists as the former secretary of state prepares for a likely presidential campaign

An Iranian military observation aircraft flew within 50 yards of an armed U.S. Navy helicopter over the Persian Gulf this month, sparking concern that top Iranian commanders might not be in full control of local forces, CNN has learned.

Two top aides to Hillary Clinton's all-but-announced presidential campaign are headed to Iowa and New Hampshire this week, according to a Democrat familiar with their plans but not authorized to speak on the record.